st-focus-20200731-43a395a.diff (7493B)
1 From 10fa2b6aebceb3a12219ef25376297b063638bd9 Mon Sep 17 00:00:00 2001 2 From: Julius Huelsmann <[email protected]> 3 Date: Fri, 31 Jul 2020 10:13:35 +0200 4 Subject: [PATCH] patch: focus 5 6 --- 7 config.def.h | 5 ++++ 8 config.mk | 2 +- 9 st.c | 1 - 10 st.h | 2 ++ 11 x.c | 72 +++++++++++++++++++++++++++++++++++++++------------- 12 5 files changed, 62 insertions(+), 20 deletions(-) 13 14 diff --git a/config.def.h b/config.def.h 15 index 0895a1f..577d1f1 100644 16 --- a/config.def.h 17 +++ b/config.def.h 18 @@ -84,6 +84,9 @@ char *termname = "st-256color"; 19 */ 20 unsigned int tabspaces = 8; 21 22 +/* bg opacity */ 23 +float alpha = 0.8, alphaUnfocused = 0.6; 24 + 25 /* Terminal colors (16 first used in escape sequence) */ 26 static const char *colorname[] = { 27 /* 8 normal colors */ 28 @@ -111,6 +114,7 @@ static const char *colorname[] = { 29 /* more colors can be added after 255 to use with DefaultXX */ 30 "#cccccc", 31 "#555555", 32 + "black", 33 }; 34 35 36 @@ -122,6 +126,7 @@ unsigned int defaultfg = 7; 37 unsigned int defaultbg = 0; 38 static unsigned int defaultcs = 256; 39 static unsigned int defaultrcs = 257; 40 +unsigned int bg = 17, bgUnfocused = 16; 41 42 /* 43 * Default shape of cursor 44 diff --git a/config.mk b/config.mk 45 index beafc35..ddc65ae 100644 46 --- a/config.mk 47 +++ b/config.mk 48 @@ -16,7 +16,7 @@ PKG_CONFIG = pkg-config 49 INCS = -I$(X11INC) \ 50 `$(PKG_CONFIG) --cflags fontconfig` \ 51 `$(PKG_CONFIG) --cflags freetype2` 52 -LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft \ 53 +LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft -lXrender\ 54 `$(PKG_CONFIG) --libs fontconfig` \ 55 `$(PKG_CONFIG) --libs freetype2` 56 57 diff --git a/st.c b/st.c 58 index 0ce6ac2..c7f40c8 100644 59 --- a/st.c 60 +++ b/st.c 61 @@ -194,7 +194,6 @@ static void tsetscroll(int, int); 62 static void tswapscreen(void); 63 static void tsetmode(int, int, int *, int); 64 static int twrite(const char *, int, int); 65 -static void tfulldirt(void); 66 static void tcontrolcode(uchar ); 67 static void tdectest(char ); 68 static void tdefutf8(char); 69 diff --git a/st.h b/st.h 70 index d978458..44cb3fd 100644 71 --- a/st.h 72 +++ b/st.h 73 @@ -79,6 +79,7 @@ typedef union { 74 75 void die(const char *, ...); 76 void redraw(void); 77 +void tfulldirt(void); 78 void draw(void); 79 80 void printscreen(const Arg *); 81 @@ -122,3 +123,4 @@ extern char *termname; 82 extern unsigned int tabspaces; 83 extern unsigned int defaultfg; 84 extern unsigned int defaultbg; 85 +extern float alpha, alphaUnfocused; 86 diff --git a/x.c b/x.c 87 index e5f1737..a2e820f 100644 88 --- a/x.c 89 +++ b/x.c 90 @@ -105,6 +105,7 @@ typedef struct { 91 XSetWindowAttributes attrs; 92 int scr; 93 int isfixed; /* is fixed geometry? */ 94 + int depth; /* bit depth */ 95 int l, t; /* left and top offset */ 96 int gm; /* geometry mask */ 97 } XWindow; 98 @@ -243,6 +244,7 @@ static char *usedfont = NULL; 99 static double usedfontsize = 0; 100 static double defaultfontsize = 0; 101 102 +static char *opt_alpha = NULL; 103 static char *opt_class = NULL; 104 static char **opt_cmd = NULL; 105 static char *opt_embed = NULL; 106 @@ -252,6 +254,8 @@ static char *opt_line = NULL; 107 static char *opt_name = NULL; 108 static char *opt_title = NULL; 109 110 +static int focused = 0; 111 + 112 static int oldbutton = 3; /* button event on startup: 3 = release */ 113 114 void 115 @@ -734,7 +738,7 @@ xresize(int col, int row) 116 117 XFreePixmap(xw.dpy, xw.buf); 118 xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, 119 - DefaultDepth(xw.dpy, xw.scr)); 120 + xw.depth); 121 XftDrawChange(xw.draw, xw.buf); 122 xclear(0, 0, win.w, win.h); 123 124 @@ -772,28 +776,38 @@ xloadcolor(int i, const char *name, Color *ncolor) 125 return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor); 126 } 127 128 +void 129 +xloadalpha(void) 130 +{ 131 + float const usedAlpha = focused ? alpha : alphaUnfocused; 132 + if (opt_alpha) alpha = strtof(opt_alpha, NULL); 133 + dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * usedAlpha); 134 + dc.col[defaultbg].pixel &= 0x00FFFFFF; 135 + dc.col[defaultbg].pixel |= (unsigned char)(0xff * usedAlpha) << 24; 136 +} 137 + 138 void 139 xloadcols(void) 140 { 141 - int i; 142 static int loaded; 143 Color *cp; 144 145 - if (loaded) { 146 - for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp) 147 - XftColorFree(xw.dpy, xw.vis, xw.cmap, cp); 148 - } else { 149 - dc.collen = MAX(LEN(colorname), 256); 150 - dc.col = xmalloc(dc.collen * sizeof(Color)); 151 + if (!loaded) { 152 + dc.collen = 1 + (defaultbg = MAX(LEN(colorname), 256)); 153 + dc.col = xmalloc((dc.collen) * sizeof(Color)); 154 } 155 156 - for (i = 0; i < dc.collen; i++) 157 + for (int i = 0; i+1 < dc.collen; ++i) 158 if (!xloadcolor(i, NULL, &dc.col[i])) { 159 if (colorname[i]) 160 die("could not allocate color '%s'\n", colorname[i]); 161 else 162 die("could not allocate color %d\n", i); 163 } 164 + if (dc.collen) // cannot die, as the color is already loaded. 165 + xloadcolor(focused ?bg :bgUnfocused, NULL, &dc.col[defaultbg]); 166 + 167 + xloadalpha(); 168 loaded = 1; 169 } 170 171 @@ -1103,11 +1117,23 @@ xinit(int cols, int rows) 172 Window parent; 173 pid_t thispid = getpid(); 174 XColor xmousefg, xmousebg; 175 + XWindowAttributes attr; 176 + XVisualInfo vis; 177 178 if (!(xw.dpy = XOpenDisplay(NULL))) 179 die("can't open display\n"); 180 xw.scr = XDefaultScreen(xw.dpy); 181 - xw.vis = XDefaultVisual(xw.dpy, xw.scr); 182 + 183 + if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) { 184 + parent = XRootWindow(xw.dpy, xw.scr); 185 + xw.depth = 32; 186 + } else { 187 + XGetWindowAttributes(xw.dpy, parent, &attr); 188 + xw.depth = attr.depth; 189 + } 190 + 191 + XMatchVisualInfo(xw.dpy, xw.scr, xw.depth, TrueColor, &vis); 192 + xw.vis = vis.visual; 193 194 /* font */ 195 if (!FcInit()) 196 @@ -1117,7 +1143,7 @@ xinit(int cols, int rows) 197 xloadfonts(usedfont, 0); 198 199 /* colors */ 200 - xw.cmap = XDefaultColormap(xw.dpy, xw.scr); 201 + xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None); 202 xloadcols(); 203 204 /* adjust fixed window geometry */ 205 @@ -1137,19 +1163,15 @@ xinit(int cols, int rows) 206 | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask; 207 xw.attrs.colormap = xw.cmap; 208 209 - if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) 210 - parent = XRootWindow(xw.dpy, xw.scr); 211 xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t, 212 - win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput, 213 + win.w, win.h, 0, xw.depth, InputOutput, 214 xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity 215 | CWEventMask | CWColormap, &xw.attrs); 216 217 memset(&gcvalues, 0, sizeof(gcvalues)); 218 gcvalues.graphics_exposures = False; 219 - dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures, 220 - &gcvalues); 221 - xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, 222 - DefaultDepth(xw.dpy, xw.scr)); 223 + xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth); 224 + dc.gc = XCreateGC(xw.dpy, xw.buf, GCGraphicsExposures, &gcvalues); 225 XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel); 226 XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h); 227 228 @@ -1730,12 +1752,22 @@ focus(XEvent *ev) 229 xseturgency(0); 230 if (IS_SET(MODE_FOCUS)) 231 ttywrite("\033[I", 3, 0); 232 + if (!focused) { 233 + focused = 1; 234 + xloadcols(); 235 + tfulldirt(); 236 + } 237 } else { 238 if (xw.ime.xic) 239 XUnsetICFocus(xw.ime.xic); 240 win.mode &= ~MODE_FOCUSED; 241 if (IS_SET(MODE_FOCUS)) 242 ttywrite("\033[O", 3, 0); 243 + if (focused) { 244 + focused = 0; 245 + xloadcols(); 246 + tfulldirt(); 247 + } 248 } 249 } 250 251 @@ -1994,6 +2026,9 @@ main(int argc, char *argv[]) 252 case 'a': 253 allowaltscreen = 0; 254 break; 255 + case 'A': 256 + opt_alpha = EARGF(usage()); 257 + break; 258 case 'c': 259 opt_class = EARGF(usage()); 260 break; 261 @@ -2045,6 +2080,7 @@ run: 262 XSetLocaleModifiers(""); 263 cols = MAX(cols, 1); 264 rows = MAX(rows, 1); 265 + defaultbg = MAX(LEN(colorname), 256); 266 tnew(cols, rows); 267 xinit(cols, rows); 268 xsetenv(); 269 -- 270 2.28.0 271